Towns without physicians and towns with only one--a study of four states in the upper midwest, 1965.
D003710:Demography; D008910:Minnesota; D009009:Montana; D009658:North Dakota; D010820:Physicians / Q000600:supply & distribution*; D011156:Population Density; D011158:Population Growth; D012111:Residence Characteristics; D012423:Rural Health; D012959:Socioeconomic Factors; D013023:South Dakota